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<HTML><STYLE> <!-- A{textdecoration:none} --></STYLE><STYLE type="text/css"> A:link, A:visited, A:active { text-decoration: none; }</STYLE><HEAD> <TITLE>IDirectFBImageProvider - RenderTo [DirectFB Reference Manual]</TITLE></HEAD><BODY bgcolor=#FFFFFF link=#0070FF vlink=#0070FF text=#404040><TABLE width=100% bgcolor=black border=0 cellspacing=1 cellpadding=3> <TR><TD width=30%> <A href="http://www.directfb.org"><IMG border=0 src="directfb.png"></A> </TD><TD align=right> <A href="index.html"><FONT size=+3 color=white>Reference Manual - 0.9.25</FONT></A> </TD></TR> <TR><TD colspan=2 align=center bgcolor=#303030> <TABLE border=0 cellspacing=0 cellpadding=0> <TR><TD nowrap align=right width=50%> <BIG><A href="IDirectFBImageProvider.html"><FONT color=#DDDDDD>IDirectFBImageProvider</FONT></A> </BIG> </TD><TD nowrap align=left width=50%> <BIG><FONT color=orange> RenderTo</FONT></BIG> </TD></TR> </TABLE> </TD></TR></TABLE><P> Render the file contents into the destination contents doing automatic scaling and color format conversion.</P><P> <TABLE border=0 cellspacing=0 cellpadding=2 bgcolor=#C0C0C0> <TR><TD colspan=5><I><FONT color=black>RenderTo (</FONT></I></TD></TR> <TR><TD width=50> </TD><TD valign=top> <A href="IDirectFBImageProvider.html">IDirectFBImageProvider</A> </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>thiz,</B></FONT> </TD></TR> <TR><TD width=50> </TD><TD valign=top> <A href="IDirectFBSurface.html">IDirectFBSurface</A> </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>destination,</B></FONT> </TD></TR> <TR><TD width=50> </TD><TD valign=top> const <A href="types.html#DFBRectangle">DFBRectangle</A> </TD><TD width=20> </TD><TD align=right> <FONT color=black><B>*</B></FONT> </TD><TD valign=top> <FONT color=black><B>destination_rect</B></FONT> </TD></TR> <TR><TD colspan=3><I><FONT color=black>);</FONT></I></TD></TR> </TABLE></P><P> If the image file has an alpha channel it is rendered with alpha channel if the destination surface is of the ARGB pixelformat. Otherwise, transparent areas are blended over a black background. </P><P> If a destination rectangle is specified, the rectangle is clipped to the destination surface. If NULL is passed as destination rectangle, the whole destination surface is taken. The image is stretched to fill the rectangle.</P></BODY></HTML>?? 快捷鍵說明
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